Poor soul! Uncle in cell, body producing ribosomes (9)

I believe the answer is:

nucleolus

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'cell body producing ribosomes' is the definition.
I can't judge whether this defines the answer.

'poor soul uncle' is the wordplay.
'poor' indicates an anagram.
'soul'+'uncle'='souluncle'
'souluncle' anagrammed gives 'NUCLEOLUS'.

'in' is the link.

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I've seen this clue in the Sydney Morning Herald.

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